815255280

素因数分解:

$2^4\times 3^6\times 5^1\times 7^1\times {\mathrm{1997}}^1$

素因数の和:2035

約数の個数: 280

約数和(自身を含む): 3249515232

約数和(自身を除く): 2434259952

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 162, 168, 180, 189, 210, 216, 240, 243, 252, 270, 280, 315, 324, 336, 360, 378, 405, 420, 432, 486, 504, 540, 560, 567, 630, 648, 720, 729, 756, 810, 840, 945, 972, 1008, 1080, 1134, 1215, 1260, 1296, 1458, 1512, 1620, 1680, 1701, 1890, 1944, 1997, 2160, 2268, 2430, 2520, 2835, 2916, 3024, 3240, 3402, 3645, 3780, 3888, 3994, 4536, 4860, 5040, 5103, 5670, 5832, 5991, 6480, 6804, 7290, 7560, 7988, 8505, 9072, 9720, 9985, 10206, 11340, 11664, 11982, 13608, 13979, 14580, 15120, 15976, 17010, 17973, 19440, 19970, 20412, 22680, 23964, 25515, 27216, 27958, 29160, 29955, 31952, 34020, 35946, 39940, 40824, 41937, 45360, 47928, 51030, 53919, 55916, 58320, 59910, 68040, 69895, 71892, 79880, 81648, 83874, 89865, 95856, 102060, 107838, 111832, 119820, 125811, 136080, 139790, 143784, 159760, 161757, 167748, 179730, 204120, 209685, 215676, 223664, 239640, 251622, 269595, 279580, 287568, 323514, 335496, 359460, 377433, 408240, 419370, 431352, 479280, 485271, 503244, 539190, 559160, 629055, 647028, 670992, 718920, 754866, 808785, 838740, 862704, 970542, 1006488, 1078380, 1118320, 1132299, 1258110, 1294056, 1437840, 1455813, 1509732, 1617570, 1677480, 1887165, 1941084, 2012976, 2156760, 2264598, 2426355, 2516220, 2588112, 2911626, 3019464, 3235140, 3354960, 3396897, 3774330, 3882168, 4313520, 4529196, 4852710, 5032440, 5661495, 5823252, 6038928, 6470280, 6793794, 7279065, 7548660, 7764336, 9058392, 9705420, 10064880, 10190691, 11322990, 11646504, 12940560, 13587588, 14558130, 15097320, 16984485, 18116784, 19410840, 20381382, 22645980, 23293008, 27175176, 29116260, 30194640, 33968970, 38821680, 40762764, 45291960, 50953455, 54350352, 58232520, 67937940, 81525528, 90583920, 101906910, 116465040, 135875880, 163051056, 203813820, 271751760, 407627640, 815255280]

約数ペア:

[(1, 815255280), (2, 407627640), (3, 271751760), (4, 203813820), (5, 163051056), (6, 135875880), (7, 116465040), (8, 101906910), (9, 90583920), (10, 81525528), (12, 67937940), (14, 58232520), (15, 54350352), (16, 50953455), (18, 45291960), (20, 40762764), (21, 38821680), (24, 33968970), (27, 30194640), (28, 29116260), (30, 27175176), (35, 23293008), (36, 22645980), (40, 20381382), (42, 19410840), (45, 18116784), (48, 16984485), (54, 15097320), (56, 14558130), (60, 13587588), (63, 12940560), (70, 11646504), (72, 11322990), (80, 10190691), (81, 10064880), (84, 9705420), (90, 9058392), (105, 7764336), (108, 7548660), (112, 7279065), (120, 6793794), (126, 6470280), (135, 6038928), (140, 5823252), (144, 5661495), (162, 5032440), (168, 4852710), (180, 4529196), (189, 4313520), (210, 3882168), (216, 3774330), (240, 3396897), (243, 3354960), (252, 3235140), (270, 3019464), (280, 2911626), (315, 2588112), (324, 2516220), (336, 2426355), (360, 2264598), (378, 2156760), (405, 2012976), (420, 1941084), (432, 1887165), (486, 1677480), (504, 1617570), (540, 1509732), (560, 1455813), (567, 1437840), (630, 1294056), (648, 1258110), (720, 1132299), (729, 1118320), (756, 1078380), (810, 1006488), (840, 970542), (945, 862704), (972, 838740), (1008, 808785), (1080, 754866), (1134, 718920), (1215, 670992), (1260, 647028), (1296, 629055), (1458, 559160), (1512, 539190), (1620, 503244), (1680, 485271), (1701, 479280), (1890, 431352), (1944, 419370), (1997, 408240), (2160, 377433), (2268, 359460), (2430, 335496), (2520, 323514), (2835, 287568), (2916, 279580), (3024, 269595), (3240, 251622), (3402, 239640), (3645, 223664), (3780, 215676), (3888, 209685), (3994, 204120), (4536, 179730), (4860, 167748), (5040, 161757), (5103, 159760), (5670, 143784), (5832, 139790), (5991, 136080), (6480, 125811), (6804, 119820), (7290, 111832), (7560, 107838), (7988, 102060), (8505, 95856), (9072, 89865), (9720, 83874), (9985, 81648), (10206, 79880), (11340, 71892), (11664, 69895), (11982, 68040), (13608, 59910), (13979, 58320), (14580, 55916), (15120, 53919), (15976, 51030), (17010, 47928), (17973, 45360), (19440, 41937), (19970, 40824), (20412, 39940), (22680, 35946), (23964, 34020), (25515, 31952), (27216, 29955), (27958, 29160)]